新sat考試必備的高頻詞匯
高頻詞匯對于新sat考試來說，是考生必須要準(zhǔn)備的詞匯。下面百分網(wǎng)小編將為你推薦新sat考試中必備的一些高頻詞匯相關(guān)內(nèi)容，希望能夠幫到你!
新sat考試的高頻詞匯：M開頭
Methylpropane 甲基丙烷
microbe 微生物，細(xì)菌
Millikan’s ‘oil-drop’ ecperiment 密立根油滴實驗
mineral 礦物質(zhì)
miscibility with water 與水的互溶性
magnetic field 磁場
magnetise 磁化
malleable 有延展性的
Maltese Cross 馬耳他十字
marble 大理石
marine invertebrate 海里的'無脊椎動物
mass number 質(zhì)量數(shù)
mass spectrometer 質(zhì)譜儀
matter 物質(zhì)
mechanism 機(jī)理
megawatt 兆瓦，即106瓦
melting point tube containing sample 裝有樣品的熔點(diǎn)測定管
melting point 熔點(diǎn)
Mendeleev’s periodic table
metabolism 新陳代謝
metal calorimeter 金屬量熱計
metal complex 金屬絡(luò)合物(由金屬離子與電子給予體結(jié)合而成)
metal foil 金箔
metal hydride 金屬氫化物
metallic bonding 金屬鍵(通過自由運(yùn)動的價電子將金屬原子連結(jié)起來的鍵)
metallic element 金屬元素
metallic radius 金屬半徑
meteorite 隕星
methane 甲烷
methanol (=CH3OH) 甲醇
新sat考試的高頻詞匯：H開頭
haemoglobin 血紅蛋白
halate 次鹵酸根離子
halide 鹵化物
halogen 鹵族元素，簡稱鹵素
halogenoalkane 鹵代烴
halogenoalkanes 鹵代烴
hard margarine 硬植物油
hard 硬的
heat capacity 熱容(當(dāng)一系統(tǒng)由于加給一微小的熱量δQ而溫度升高δT時，Δq/δT這個量即是熱容)
heating-insulated vessel 隔熱容器
Heisenberg’s uncertainty principle 海森堡測不準(zhǔn)原理
heptane 庚烷
Hess’ law 赫斯定律(一個化學(xué)反應(yīng)的熱銷應(yīng)決定于其始終態(tài)，與中間過程無關(guān))
heterogeneous catalysis 多相催化(催化劑與反應(yīng)物處于不同相如在固體和流體相界面間發(fā)生催化作用)
heterolytic fission 異裂(共價鍵斷裂產(chǎn)生兩個相反電荷的離子)
hexane 己烷
high-density poly(ethene) 高密度聚乙烯
high-performance liquid chromatography 高效液相色譜法
新sat考試的高頻詞匯：R開頭
Recessive(隱性)
Refers to an allele that cannot control the phenotype unless it is the only kind of allele present, as in a homozygote or hemizygote. Also refers to the trait or phenotype produced when only a recessive allele is present. The opposite of recessive is dominant.
reproductive isolation(生殖隔離)
The inability of individuals within a species to create offspring with members of any other species. The mark of a species is its reproductive isolation from all other species.
respiratory system(呼吸系統(tǒng))
The organ system responsible for the intake of oxygen and diffusion of that gas into the blood and the elimination of carbon dioxide from the body. Important structures of the system are the pharynx, larynx, trachea, bronchi, bronchioles, and lungs. Alveoli in the lungs are the location of gas exchange with the blood. The movement of the muscular diaphragm allows the lungs to inhale and exhale.
ribonucleic acid (RNA/核糖核酸)
One type of nucleic acid polymer. RNA nucleotides’ sugars contain one more oxygen atom than DNA nucleotides’ sugars. RNA nucleotides can have the nitrogenous bases adenine, cytosine, guanine, and uracil.
Ribosome(核糖體)
Organelle responsible for protein synthesis. Ribosomes are located in cytoplasm or endoplasmic reticulum.
Root(根)
The part of a plant beneath the soil; responsible for collecting water and minerals from the soil, storing nutrients, and securing the plant to the ground. Can be fibrous or a taproot.
root hair(根須)
An outgrowth of a plant root that provides an increased surface area for the absorption of water and dissolved minerals from the soil.
Runner(匍行)
Slender horizontal stem that can form new plants via specialized nodes.
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